dev updates

* switch to Babel 7
* consistent npm start command
* mention production build
* correct license and author in package.json
* important emoji change
* simplify travis.yml

.babelrc

@@ -1,18 +1,13 @@
 {
   "presets": [
-    "es2015",
+    ["@babel/preset-env", { "useBuiltIns": "entry" }]
-    [
-      "env", { "useBuiltIns": true }
-    ],
-    "stage-2"
   ],
   "plugins": [
-    [
+    ["@babel/plugin-transform-runtime",
-      "transform-runtime",
       {
-        "polyfill": false,
         "regenerator": true
       }
-    ]
+    ],
+    ["@babel/plugin-proposal-object-rest-spread", { "useBuiltIns": true }]
   ]
 }

.travis.yml

@@ -1,6 +1,3 @@
-dist: trusty
-sudo: required
-group: beta
 language: node_js
 node_js:
 - "8"

README.md

@@ -2,7 +2,7 @@
 
 # squid-js
 
-> 🐋 JavaScript implementation of ocean protocol keeper
+> 🦑 JavaScript implementation of Ocean Protocol Keeper
 > [oceanprotocol.com](https://oceanprotocol.com)
 
 [![Travis (.com)](https://img.shields.io/travis/com/oceanprotocol/squid-js.svg)](https://travis-ci.com/oceanprotocol/squid-js)
@@ -17,15 +17,24 @@
 ## Table of Contents
 
   - [Get Started](#get-started)
+  - [Production Build](#production-build)
   - [License](#license)
 
 ---
 
 ## Get Started
+
 To start develppment you need to:
+
 ```batch
 npm i
-npm run start:dev
+npm start
+```
+
+## Production Build
+
+```bash
+npm run build
 ```
 
 This will start a watcher for changes of the code.

dist/contractLoader.js

@@ -1,76 +1,69 @@
-'use strict';
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
 
 Object.defineProperty(exports, "__esModule", {
   value: true
 });
+exports.default = void 0;
 
-var _regenerator = require('babel-runtime/regenerator');
+var _regenerator = _interopRequireDefault(require("@babel/runtime/regenerator"));
 
-var _regenerator2 = _interopRequireDefault(_regenerator);
+var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));
 
-var _asyncToGenerator2 = require('babel-runtime/helpers/asyncToGenerator');
+var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
 
-var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);
+var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
 
-var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
+var _truffleContract = _interopRequireDefault(require("truffle-contract"));
-
-var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
-
-var _createClass2 = require('babel-runtime/helpers/createClass');
-
-var _createClass3 = _interopRequireDefault(_createClass2);
-
-var _truffleContract = require('truffle-contract');
-
-var _truffleContract2 = _interopRequireDefault(_truffleContract);
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
 var contracts = [];
 
-var ContractLoader = function () {
+var ContractLoader =
+/*#__PURE__*/
+function () {
   function ContractLoader() {
-        (0, _classCallCheck3.default)(this, ContractLoader);
+    (0, _classCallCheck2.default)(this, ContractLoader);
   }
 
-    (0, _createClass3.default)(ContractLoader, null, [{
+  (0, _createClass2.default)(ContractLoader, null, [{
-        key: '_doLoad',
+    key: "_doLoad",
     value: function () {
-            var _ref = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee(what, where, provider) {
+      var _doLoad2 = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee(what, where, provider) {
         var artifact, contract;
-                return _regenerator2.default.wrap(function _callee$(_context) {
+        return _regenerator.default.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
                 // console.log("Loading", what, "from", where)
-                                /* eslint-disable-next-line */
-                                artifact = require('@oceanprotocol/keeper-contracts/artifacts/' + what + '.' + where);
-                                contract = (0, _truffleContract2.default)(artifact);
 
+                /* eslint-disable-next-line */
+                artifact = require("@oceanprotocol/keeper-contracts/artifacts/".concat(what, ".").concat(where));
+                contract = (0, _truffleContract.default)(artifact);
                 contract.setProvider(provider);
                 _context.next = 5;
                 return contract.at(artifact.address);
 
               case 5:
                 contracts[what] = _context.sent;
-                                return _context.abrupt('return', contracts[what]);
+                return _context.abrupt("return", contracts[what]);
 
               case 7:
-                            case 'end':
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-            function _doLoad(_x, _x2, _x3) {
+      return function _doLoad(_x, _x2, _x3) {
-                return _ref.apply(this, arguments);
+        return _doLoad2.apply(this, arguments);
-            }
+      };
-
-            return _doLoad;
     }()
   }, {
-        key: 'load',
+    key: "load",
     value: function load(what, where, provider) {
       return contracts[what] || ContractLoader._doLoad(what, where, provider);
     }

dist/ocean-agent.js

@@ -1,55 +1,57 @@
-'use strict';
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
 
 Object.defineProperty(exports, "__esModule", {
   value: true
 });
+exports.default = void 0;
 
-var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
+var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
 
-var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
+var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
-
-var _createClass2 = require('babel-runtime/helpers/createClass');
-
-var _createClass3 = _interopRequireDefault(_createClass2);
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
 /* global fetch */
-
+var OceanAgent =
-var OceanAgent = function () {
+/*#__PURE__*/
+function () {
   function OceanAgent(connectionUrl) {
-        (0, _classCallCheck3.default)(this, OceanAgent);
+    (0, _classCallCheck2.default)(this, OceanAgent);
-
     this.assetsUrl = connectionUrl + '/assets';
   }
 
-    (0, _createClass3.default)(OceanAgent, [{
+  (0, _createClass2.default)(OceanAgent, [{
-        key: 'getAssetsMetadata',
+    key: "getAssetsMetadata",
     value: function getAssetsMetadata() {
-            return fetch(this.assetsUrl + '/metadata', { method: 'GET' }).then(function (res) {
+      return fetch(this.assetsUrl + '/metadata', {
+        method: 'GET'
+      }).then(function (res) {
         return res.json();
       }).then(function (data) {
         return JSON.parse(data);
       });
     }
   }, {
-        key: 'publishDataAsset',
+    key: "publishDataAsset",
     value: function publishDataAsset(asset) {
       return fetch(this.assetsUrl + '/metadata', {
         method: 'POST',
         body: JSON.stringify(asset),
-                headers: { 'Content-type': 'application/json' }
+        headers: {
+          'Content-type': 'application/json'
+        }
       }).then(function (response) {
         console.log('Success:', response);
+
         if (response.ok) {
           console.log('Success:', response);
           return true;
         }
+
         console.log('Failed: ', response.status, response.statusText);
-                return false;
+        return false; // throw new Error(response.statusText ? response.statusText : `publish asset failed with status ${response.status}`)
-                // throw new Error(response.statusText ? response.statusText : `publish asset failed with status ${response.status}`)
       }).catch(function (error) {
-                console.log('Publish asset to ocean database could not be completed: ' + error.message());
+        console.log("Publish asset to ocean database could not be completed: ".concat(error.message()));
         return false;
       });
     }

dist/ocean-keeper.js

@@ -1,155 +1,145 @@
-'use strict';
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
 
 Object.defineProperty(exports, "__esModule", {
   value: true
 });
+exports.default = void 0;
 
-var _extends2 = require('babel-runtime/helpers/extends');
+var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread"));
 
-var _extends3 = _interopRequireDefault(_extends2);
+var _regenerator = _interopRequireDefault(require("@babel/runtime/regenerator"));
 
-var _regenerator = require('babel-runtime/regenerator');
+var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));
 
-var _regenerator2 = _interopRequireDefault(_regenerator);
+var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
 
-var _asyncToGenerator2 = require('babel-runtime/helpers/asyncToGenerator');
+var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
 
-var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);
+var _web = _interopRequireDefault(require("web3"));
 
-var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
+var _contractLoader = _interopRequireDefault(require("./contractLoader"));
-
-var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
-
-var _createClass2 = require('babel-runtime/helpers/createClass');
-
-var _createClass3 = _interopRequireDefault(_createClass2);
-
-var _web = require('web3');
-
-var _web2 = _interopRequireDefault(_web);
-
-var _contractLoader = require('./contractLoader');
-
-var _contractLoader2 = _interopRequireDefault(_contractLoader);
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
 var DEFAULT_GAS = 300000;
 
-var OceanKeeper = function () {
+var OceanKeeper =
+/*#__PURE__*/
+function () {
   function OceanKeeper(uri, network) {
-        (0, _classCallCheck3.default)(this, OceanKeeper);
+    (0, _classCallCheck2.default)(this, OceanKeeper);
-
+    var web3Provider = new _web.default.providers.HttpProvider(uri);
-        var web3Provider = new _web2.default.providers.HttpProvider(uri);
+    this.web3 = new _web.default(web3Provider);
-        this.web3 = new _web2.default(web3Provider);
     this.defaultGas = DEFAULT_GAS;
     this.network = network || 'development';
   }
 
-    (0, _createClass3.default)(OceanKeeper, [{
+  (0, _createClass2.default)(OceanKeeper, [{
-        key: 'initContracts',
+    key: "initContracts",
     value: function () {
-            var _ref = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee() {
+      var _initContracts = (0, _asyncToGenerator2.default)(
-                return _regenerator2.default.wrap(function _callee$(_context) {
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee() {
+        return _regenerator.default.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
                 _context.next = 2;
-                                return _contractLoader2.default.load('OceanToken', this.network, this.web3.currentProvider);
+                return _contractLoader.default.load('OceanToken', this.network, this.web3.currentProvider);
 
               case 2:
                 this.oceanToken = _context.sent;
                 _context.next = 5;
-                                return _contractLoader2.default.load('OceanMarket', this.network, this.web3.currentProvider);
+                return _contractLoader.default.load('OceanMarket', this.network, this.web3.currentProvider);
 
               case 5:
                 this.oceanMarket = _context.sent;
                 _context.next = 8;
-                                return _contractLoader2.default.load('OceanAuth', this.network, this.web3.currentProvider);
+                return _contractLoader.default.load('OceanAuth', this.network, this.web3.currentProvider);
 
               case 8:
                 this.oceanAuth = _context.sent;
-                                return _context.abrupt('return', {
+                return _context.abrupt("return", {
                   oceanToken: this.oceanToken,
                   oceanMarket: this.oceanMarket,
                   oceanAuth: this.oceanAuth
                 });
 
               case 10:
-                            case 'end':
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-            function initContracts() {
+      return function initContracts() {
-                return _ref.apply(this, arguments);
+        return _initContracts.apply(this, arguments);
-            }
+      };
-
+    }() // web3 wrappers
-            return initContracts;
-        }()
-
-        // web3 wrappers
 
   }, {
-        key: 'sign',
+    key: "sign",
     value: function sign(accountAddress, message) {
       return this.web3.eth.sign(accountAddress, message);
     }
   }, {
-        key: 'getMessageHash',
+    key: "getMessageHash",
     value: function getMessageHash(message) {
-            return this.web3.sha3('\x19Ethereum Signed Message:\n' + message.length + message);
+      return this.web3.sha3("\x19Ethereum Signed Message:\n".concat(message.length).concat(message));
-        }
+    } // call functions (costs no gas)
-
-        // call functions (costs no gas)
 
   }, {
-        key: 'checkAsset',
+    key: "checkAsset",
     value: function checkAsset(assetId) {
       return this.oceanMarket.checkAsset(assetId);
     }
   }, {
-        key: 'getBalance',
+    key: "getBalance",
     value: function getBalance(accountAddress) {
       return this.oceanToken.balanceOf.call(accountAddress);
     }
   }, {
-        key: 'getAssetPrice',
+    key: "getAssetPrice",
     value: function getAssetPrice(assetId) {
       return this.oceanMarket.getAssetPrice(assetId).then(function (price) {
         return price.toNumber();
       });
     }
   }, {
-        key: 'getOrderStatus',
+    key: "getOrderStatus",
     value: function getOrderStatus(orderId) {
       return this.oceanAuth.statusOfAccessRequest(orderId);
     }
   }, {
-        key: 'verifyOrderPayment',
+    key: "verifyOrderPayment",
     value: function verifyOrderPayment(orderId) {
       return this.oceanMarket.verifyPaymentReceived(orderId);
     }
   }, {
-        key: 'getEncryptedAccessToken',
+    key: "getEncryptedAccessToken",
     value: function getEncryptedAccessToken(orderId, senderAddress) {
-            return this.oceanAuth.getEncryptedAccessToken(orderId, { from: senderAddress });
+      return this.oceanAuth.getEncryptedAccessToken(orderId, {
+        from: senderAddress
+      });
     }
   }, {
-        key: 'getConsumerOrders',
+    key: "getConsumerOrders",
     value: function () {
-            var _ref2 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee3(consumerAddress) {
+      var _getConsumerOrders = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee3(consumerAddress) {
         var _this = this;
 
         var accessConsentEvent, _resolve, _reject, promise, getEvents, events, orders;
 
-                return _regenerator2.default.wrap(function _callee3$(_context3) {
+        return _regenerator.default.wrap(function _callee3$(_context3) {
           while (1) {
             switch (_context3.prev = _context3.next) {
               case 0:
-                                accessConsentEvent = this.oceanAuth.AccessConsentRequested({ _consumer: consumerAddress }, {
+                accessConsentEvent = this.oceanAuth.AccessConsentRequested({
+                  _consumer: consumerAddress
+                }, {
                   fromBlock: 0,
                   toBlock: 'latest'
                 });
@@ -164,6 +154,7 @@ var OceanKeeper = function () {
                   accessConsentEvent.get(function (error, logs) {
                     if (error) {
                       _reject(error);
+
                       throw new Error(error);
                     } else {
                       _resolve(logs);
@@ -179,17 +170,20 @@ var OceanKeeper = function () {
 
               case 7:
                 events = _context3.sent;
-
                 // let orders = await this.buildOrdersFromEvents(events, consumerAddress).then((result) => result)
                 orders = events.filter(function (obj) {
                   return obj.args._consumer === consumerAddress;
-                                }).map(function () {
+                }).map(
-                                    var _ref3 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee2(event) {
+                /*#__PURE__*/
-                                        return _regenerator2.default.wrap(function _callee2$(_context2) {
+                function () {
+                  var _ref = (0, _asyncToGenerator2.default)(
+                  /*#__PURE__*/
+                  _regenerator.default.mark(function _callee2(event) {
+                    return _regenerator.default.wrap(function _callee2$(_context2) {
                       while (1) {
                         switch (_context2.prev = _context2.next) {
                           case 0:
-                                                        _context2.t0 = _extends3.default;
+                            _context2.t0 = _objectSpread2.default;
                             _context2.t1 = {};
                             _context2.t2 = event.args;
                             _context2.t3 = event.args._timeout.toNumber();
@@ -213,52 +207,51 @@ var OceanKeeper = function () {
                               paid: _context2.t5,
                               key: null
                             };
-                                                        return _context2.abrupt('return', (0, _context2.t0)(_context2.t1, _context2.t2, _context2.t6));
+                            return _context2.abrupt("return", (0, _context2.t0)(_context2.t1, _context2.t2, _context2.t6));
 
                           case 12:
-                                                    case 'end':
+                          case "end":
                             return _context2.stop();
                         }
                       }
-                                        }, _callee2, _this);
+                    }, _callee2, this);
                   }));
 
                   return function (_x2) {
-                                        return _ref3.apply(this, arguments);
+                    return _ref.apply(this, arguments);
                   };
                 }());
-
                 console.debug('got orders: ', orders);
-                                return _context3.abrupt('return', orders);
+                return _context3.abrupt("return", orders);
 
               case 11:
-                            case 'end':
+              case "end":
                 return _context3.stop();
             }
           }
         }, _callee3, this);
       }));
 
-            function getConsumerOrders(_x) {
+      return function getConsumerOrders(_x) {
-                return _ref2.apply(this, arguments);
+        return _getConsumerOrders.apply(this, arguments);
-            }
+      };
-
+    }() // Transactions with gas cost
-            return getConsumerOrders;
-        }()
-
-        // Transactions with gas cost
 
   }, {
-        key: 'requestTokens',
+    key: "requestTokens",
     value: function requestTokens(senderAddress, numTokens) {
-            return this.oceanMarket.requestTokens(numTokens, { from: senderAddress });
+      return this.oceanMarket.requestTokens(numTokens, {
+        from: senderAddress
+      });
     }
   }, {
-        key: 'registerDataAsset',
+    key: "registerDataAsset",
     value: function () {
-            var _ref4 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee4(name, description, price, publisherAddress) {
+      var _registerDataAsset = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee4(name, description, price, publisherAddress) {
         var assetId, result;
-                return _regenerator2.default.wrap(function _callee4$(_context4) {
+        return _regenerator.default.wrap(function _callee4$(_context4) {
           while (1) {
             switch (_context4.prev = _context4.next) {
               case 0:
@@ -268,34 +261,36 @@ var OceanKeeper = function () {
               case 2:
                 assetId = _context4.sent;
                 _context4.next = 5;
-                                return this.oceanMarket.register(assetId, price, { from: publisherAddress, gas: this.defaultGas });
+                return this.oceanMarket.register(assetId, price, {
+                  from: publisherAddress,
+                  gas: this.defaultGas
+                });
 
               case 5:
                 result = _context4.sent;
-
                 console.log('registered: ', result);
-                                return _context4.abrupt('return', assetId);
+                return _context4.abrupt("return", assetId);
 
               case 8:
-                            case 'end':
+              case "end":
                 return _context4.stop();
             }
           }
         }, _callee4, this);
       }));
 
-            function registerDataAsset(_x3, _x4, _x5, _x6) {
+      return function registerDataAsset(_x3, _x4, _x5, _x6) {
-                return _ref4.apply(this, arguments);
+        return _registerDataAsset.apply(this, arguments);
-            }
+      };
-
-            return registerDataAsset;
     }()
   }, {
-        key: 'sendPayment',
+    key: "sendPayment",
     value: function () {
-            var _ref5 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee5(assetId, order, publisherAddress, senderAddress) {
+      var _sendPayment = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee5(assetId, order, publisherAddress, senderAddress) {
         var assetPrice;
-                return _regenerator2.default.wrap(function _callee5$(_context5) {
+        return _regenerator.default.wrap(function _callee5$(_context5) {
           while (1) {
             switch (_context5.prev = _context5.next) {
               case 0:
@@ -306,73 +301,85 @@ var OceanKeeper = function () {
 
               case 2:
                 assetPrice = _context5.sent;
-
                 this.oceanMarket.sendPayment(order.id, publisherAddress, assetPrice, order.timeout, {
                   from: senderAddress,
                   gas: 2000000
                 });
 
               case 4:
-                            case 'end':
+              case "end":
                 return _context5.stop();
             }
           }
         }, _callee5, this);
       }));
 
-            function sendPayment(_x7, _x8, _x9, _x10) {
+      return function sendPayment(_x7, _x8, _x9, _x10) {
-                return _ref5.apply(this, arguments);
+        return _sendPayment.apply(this, arguments);
-            }
+      };
-
-            return sendPayment;
     }()
   }, {
-        key: 'cancelAccessRequest',
+    key: "cancelAccessRequest",
     value: function cancelAccessRequest(orderId, senderAddress) {
-            return this.oceanAuth.cancelAccessRequest(orderId, { from: senderAddress });
+      return this.oceanAuth.cancelAccessRequest(orderId, {
+        from: senderAddress
+      });
     }
   }, {
-        key: 'orchestrateResourcePurchase',
+    key: "orchestrateResourcePurchase",
     value: function orchestrateResourcePurchase(assetId, publisherId, price, privateKey, publicKey, timeout, senderAddress, initialRequestEventHandler, accessCommittedEventHandler, tokenPublishedEventHandler) {
       var _this2 = this;
 
       var oceanToken = this.oceanToken,
           oceanMarket = this.oceanMarket,
-                oceanAuth = this.oceanAuth;
+          oceanAuth = this.oceanAuth; // Allow OceanMarket contract to transfer funds on the consumer's behalf
-            // Allow OceanMarket contract to transfer funds on the consumer's behalf
 
-            oceanToken.approve(oceanMarket.address, price, { from: senderAddress, gas: 2000000 });
+      oceanToken.approve(oceanMarket.address, price, {
-            // Submit the access request
+        from: senderAddress,
-            oceanAuth.initiateAccessRequest(assetId, publisherId, publicKey, timeout, { from: senderAddress, gas: 1000000 });
+        gas: 2000000
+      }); // Submit the access request
 
-            var resourceFilter = { _resourceId: assetId, _consumer: senderAddress };
+      oceanAuth.initiateAccessRequest(assetId, publisherId, publicKey, timeout, {
+        from: senderAddress,
+        gas: 1000000
+      });
+      var resourceFilter = {
+        _resourceId: assetId,
+        _consumer: senderAddress
+      };
       var initRequestEvent = oceanAuth.AccessConsentRequested(resourceFilter);
       var order = {};
+
       this._listenOnce(initRequestEvent, 'AccessConsentRequested', function (result, error) {
         order = initialRequestEventHandler(result, error);
-                var requestIdFilter = { _id: order.id };
+        var requestIdFilter = {
+          _id: order.id
+        };
         var accessCommittedEvent = oceanAuth.AccessRequestCommitted(requestIdFilter);
         var tokenPublishedEvent = oceanAuth.EncryptedTokenPublished(requestIdFilter);
+
         _this2._listenOnce(accessCommittedEvent, 'AccessRequestCommitted', function (result, error) {
           accessCommittedEventHandler(result, order, error);
         });
+
         _this2._listenOnce(tokenPublishedEvent, 'EncryptedTokenPublished', function (result, error) {
           tokenPublishedEventHandler(result, order, error);
         });
       });
-            return order;
-        }
 
-        // Helper functions (private)
+      return order;
+    } // Helper functions (private)
 
   }, {
-        key: '_listenOnce',
+    key: "_listenOnce",
     value: function _listenOnce(event, eventName, callback) {
       event.watch(function (error, result) {
         event.stopWatching();
+
         if (error) {
-                    console.log('Error in keeper ' + eventName + ' event: ', error);
+          console.log("Error in keeper ".concat(eventName, " event: "), error);
         }
+
         callback(result, error);
       });
     }

dist/squid.js

@@ -1,19 +1,23 @@
-'use strict';
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
 
 Object.defineProperty(exports, "__esModule", {
   value: true
 });
-exports.OceanKeeper = exports.OceanAgent = undefined;
+Object.defineProperty(exports, "OceanAgent", {
+  enumerable: true,
+  get: function get() {
+    return _oceanAgent.default;
+  }
+});
+Object.defineProperty(exports, "OceanKeeper", {
+  enumerable: true,
+  get: function get() {
+    return _oceanKeeper.default;
+  }
+});
 
-var _oceanAgent = require('./ocean-agent');
+var _oceanAgent = _interopRequireDefault(require("./ocean-agent"));
 
-var _oceanAgent2 = _interopRequireDefault(_oceanAgent);
+var _oceanKeeper = _interopRequireDefault(require("./ocean-keeper"));
-
-var _oceanKeeper = require('./ocean-keeper');
-
-var _oceanKeeper2 = _interopRequireDefault(_oceanKeeper);
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
-exports.OceanAgent = _oceanAgent2.default;
-exports.OceanKeeper = _oceanKeeper2.default;

package.json

@@ -1,11 +1,11 @@
 {
   "name": "@oceanprotocol/squid",
   "version": "0.0.4",
-  "description": "Ocean JavaScript Library",
+  "description": "Ocean Protocol JavaScript Library",
   "main": "dist/squid.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "start:dev": "babel src --watch --out-dir dist",
+    "start": "babel src --watch --out-dir dist",
     "build": "babel src --out-dir dist"
   },
   "repository": {
@@ -13,22 +13,26 @@
     "url": "git+https://github.com/oceanprotocol/squid-js.git"
   },
   "keywords": [],
-  "author": "",
+  "author": "Ocean Protocol <devops@oceanproocol.com>",
-  "license": "ISC",
+  "license": "Apache-2.0",
   "bugs": {
     "url": "https://github.com/oceanprotocol/squid-js/issues"
   },
   "homepage": "https://github.com/oceanprotocol/squid-js#readme",
   "dependencies": {
+    "@babel/runtime": "^7.0.0",
     "@oceanprotocol/keeper-contracts": "^0.1.0",
     "truffle-contract": "^3.0.6",
     "web3": "0.20.6"
   },
   "devDependencies": {
-    "babel-cli": "^6.26.0",
+    "@babel/cli": "^7.0.0",
-    "babel-core": "^6.26.3",
+    "@babel/core": "^7.0.0",
-    "babel-plugin-transform-runtime": "^6.23.0",
+    "@babel/plugin-proposal-object-rest-spread": "^7.0.0",
-    "babel-preset-es2015": "^6.24.1",
+    "@babel/plugin-transform-runtime": "^7.0.0",
-    "babel-preset-stage-2": "^6.24.1"
+    "@babel/preset-env": "^7.0.0"
+  },
+  "engines": {
+    "node": ">=8 <10"
   }
 }